Compliance

The extent to which a person’s behavior (in terms of taking medication, following diets, or executing lifestyles changes) coincides with medical or health  advice. Improving Compliance with Alcoholism Treatment

Etymology
Anti bribery compliance Public compliance: prevención de la corrupción en administraciones públicas

Compliance officer

Compliance rate

Poor compliance

Tax compliance

Treatment compliance

Medication adherence Improving Patient Treatment Adherence: A Clinician's Guide

Example
The differences in compliance between these patients and those who were followed up elsewhere were not significant Compliance With Treatment In Schizophrenia